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Science 17 October 2008:
Vol. 322. no. 5900, pp. 386 - 387
DOI: 10.1126/science.1165717
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Perspectives

PHYSICS:
A New Spin on the Doppler Effect

R. D. McMichael and M. D. Stiles

Direct measurements can now be made of electron spin currents, which play a key role in advanced memory applications.

Center for Nanoscale Science and Technology, National Institute of Standards and Technology, Gaithersburg, MD 20899-6202, USA. E-mail: mark.stiles{at}nist.gov; robert.mcmichael{at}nist.gov

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Science. ISSN 0036-8075 (print), 1095-9203 (online)